222000011002221 has 16 divisors (see below), whose sum is σ = 305549910079488. Its totient is φ = 143225106750000.

The previous prime is 222000011002181. The next prime is 222000011002381. The reversal of 222000011002221 is 122200110000222.

It is not a de Polignac number, because 222000011002221 - 2²⁷ = 221999876784493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222000011002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000011000221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13394470 + ... + 24968216.

It is an arithmetic number, because the mean of its divisors is an integer number (19096869379968).

Almost surely, 2^{222000011002221} is an apocalyptic number.

It is an amenable number.

222000011002221 is a deficient number, since it is larger than the sum of its proper divisors (83549899077267).

222000011002221 is a wasteful number, since it uses less digits than its factorization.

222000011002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780032.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222000011002221 its reverse (122200110000222), we get a palindrome (344200121002443).

The spelling of 222000011002221 in words is "two hundred twenty-two trillion, eleven million, two thousand, two hundred twenty-one".